HENKY SOTHERAN & CO., 140, STB AND, W.C., AND 43, PICCADILLY, W. 843 



ASTEONOMY and GEODESY, continued: 



16857 HELMERT (Fried rich Robert ; Director, Geodetic Inst., Potsdam) Die MATHEMATISCHEN- 

 und PHYSIKALISCHEN THEORIEN der HOHEREN GEODASIE, mit Untersuchungen liberdie mathe- 

 matische Erdgestalt auf Grund der Beo bach tun gen ; original impression, with 2 folding plates 

 (linen-mounted), and numerous text-illustrations, 2 vols. roy. 8vo. in 1, handsomely bound in hf. 

 pigskin, cl. sides (fine copy), 1. 15s Leipzig, 1880-4'r 



The original impression of this important work is becoming scarce, only an inferior anastatic reprinc having been 

 obtainable before the War. 



16858 HERPIN (A.) DICTIONNAIRE ASTRONOMIQUE, ou Expose, par Ordre alphabetize, des- 

 Principes fondamentaux et des Lois generates de la Mecanique Universelle, avec leurs diverges- 

 Applications aux Calculs des Phenomenes qui se produisent dans le Domaine du Monde physique ' r 

 with 1 folding plates (linen-mounted), large 8vo. hf. black morocco neat, cl. sides (as good as new)!, 

 Gs6d (p. F. 12 nett sewn) 1875- 



16859 HERSGHEL (Sir John Frederick William, F.R.S.) OUTLINES of ASTRONOMY ; llth [LAST] 

 EDITION, with 9 plates, woodcuts, and diagrams, sq. 8vo. cl., Qs (p. 12*) 1871 



16860 ANOTHER COPY, hf. brown morocco neat, cl. sides, t. e. g. (fine copy), 8s 1874 



16861 THE SAME, hf. black morccoo neat, cl. sides, uncut, t. e. g. (nice copy), Is 6d 1871 



' Perhaps the most completely satisfactory general exposition of a science ever penned.' Miss Agnes M. Clerke. 



16862 HIM MEL und ERDE : unser WISSEN von der STERNENWELT und deni ERDBALL, 

 herausgegeben unter Mitwirkung von Fachgenossen von J. PLASSMANN, J. POHLE, P. KREICH- 

 GAUER und L. WAAGEN ; with 123 plates and maps (many folding and linen-mounted, or coloured), 

 and 1215 text-illustrations, 2 vols. 4to. hf. black morocco neat, cl. sides, uncut, t. e. g. (fine copy), 

 1. 5s (p. M. 36 in cl.) Mimchen [1908-9] 



A splendidly illustrated work, many of the illustrations being reproductions from contemporary prints, and others 

 from photographs specially taken for the work. 



INHALT : I. Der Sternenhimmel : die Bewegungen und Eigenschaften der Himmelskorper : II. Unsere Erde : dec 

 Werdegang des Erdballs und seine Lebewelt, seine Beschaffenheit und Hiillen. 



16863 HINKS (Arthur Robert, Cambridge Observatory; F.R.S.) MAP PROJECTIONS, with coloure- 

 frontispiece and 19 diagrams, Svo. cl., 3s 6d (p. 5s nett) Univ. Press, Cambridge, 191' 



16864 MAPS and SURVEY, with 24 plates, besides diagrams, Svo. cl., 4s (p. 6s nett) 



apud eandem, ibidem, 191& 



16865 HOUZEAU (Jean Charles, Directeur de V Observatoire de BRUXELLES) Le CIEL mis a la, 

 portee de TOUT LE MONDE ; with 4 folding plates (linen-mounted) and text-illustrations, post 8vo.. 

 cl., 5s Bruxelles, 1882' 



16866 IDELER (Christian Ludwig) HANDBUCH der MATHEMATISCHEN und TECHNISCHEN CHRONO- 

 LOGIE, aus den Quellen bearbeitet, 2 thick vols. post Svo. hf. buckram (nice copy) ; SCARCE, 

 1. 10s Berlin, 1825-6- 



THE SCARCE ORIGINAL EDITION of the author's most important work. ' An exhaustive and commendable work on 

 the measures of time adopted in various countries, especially in ancient times.' Pro/. Simon Newcomb. 



16867 JEANS (H. W., F.R.A.S. ; R.N. Coll., Portsmouth) NAUTICAL ASTRONOMY and NAVIGATION ;-. 

 LATEST (Pt. I 3rd and Pt. II 5th) EDITION, with numerous diagrams, 2 parts in 1 vol. roy. Svo. 

 cl. (o. p.), 8s (p. 14s) 1876-84 



16868 KLEIN (Hermann Josef, Hitter des kgl. Serb. San-Sava Ordens) ASTRONOMISCHE ABENDE :: 

 allgemein verstandliche Unterhaltungen liber Geschichte und Ergebnisse der Himmelserschei- 

 nungen, 5. vollig umgearbeitete Autiage ; with 13 plates, large cr. Svo. handsomely bound in hf. 

 black morocco, cl. sides, uncut, t. e. g., 4s (p. M. 5.50 sewn) Leipzig, 1905- 



16869 - - FUHRER am STERNENHIMMEL fiir Freunde astronomischer Beobachtungen ; with 7. 

 plates (some coloured), and numerous woodcuts, post Svo. hf. black calf neat, cl. sides, 4s (p, ML S 

 sewn) ibidem [189*2] 



The author here announces himself as a Knight of the Royal Serbian Order of St. Sava, in the days before his country 

 set out for the game of nationmurder. 



16870 HANDBUCH der ALLGEMEINEN HIMMELSBESCHREIBUNG nach dem Standpunkte der 



astronomischen Wissenschaf t am Schlusse des 19. Jahrhunderts, 3. [neueste] vollig umgearbeitete 

 Auflage ; with 10 plates (one coloured), and numerous woodcuts, Svo. original hf. morocco gilt, r. e. 

 (nice copy), Is (p. M. 12.50) Braunschweig, 1901 



16871 - - STERN-ATLAS fiir Freunde der Himmelsbeobachtung, enthaltend : Sammtliche Sterne 



1. bis 6,5. Grosse zwischen dem Nordpol und 34 siidlicher Dekl., alle Nebelflecken und Stern- 

 haufen, welche in Ferngliisern mittlerer Grosse sichtbar sind, sowie Specialkarten besonders 

 interessanter Objecte; with 18 maps, sm. folio, original hf. morocco (nice copy), 5s (p. M. 16) 



Leipzig, .1888 



16872 KLINKERFTJES (Ernst Friedrich Wilhelm, Gottingen) THEORETISCHE ASTRONOMIE, 



2. neu bearbeitete und vermehrte Auflage von H. BUCHHOLZ ; with bad portrait and 67 diagrams? 

 thick 4to. handsomely bound in hf. purple morocco, cl. sides, uncut, t. e.g. (as good as new), 1. Is 

 (p. M. 34 sewn) Braunschweig, 1899 



Including a valuable collection of Tables (pp. 829-928) as Appendix. 



16873 KOBOLD (Hermann, Kieler Sternwarte) Der BAU des FiXSTERNSYSTEMS, mit besonderer 

 Beriicksichtigung der PHOTOMETRISCHEN RESULTATE ; with 3 folding plates (linen-mounted), and 

 19 smaller illustrations, Svo. buckram, uncut, t. e. g., 5s (p. M. 6.50 sewn) Braunschiveig, 1906- 



